Mary Dreier, Ida Rauh, Helen Marot, Rena Borky, Yetta Raff and Mary Effers link arms in mutual support during their December 4, 1909 march to City Hall demanding their right to picket be honored, respectful treatment, and an immediate end to police violence against picketing strikers. Photographer: unknown, December 4, 1909 Kheel Center image identifier: 5780pb32f27b Image 1 of 1